日冕异常电阻率可能机制的评估
An evaluation of possible mechanisms for anomalous resistivity in the solar corona
摘要：
日冕中的各种各样的瞬态事件似乎需要用快速重联来解释。解释快速重联的理论模型通常依赖于增强的电阻率。我们从观测到的太阳耀斑中的重联率数据开始，并试图将它们与Numata & Yoshida（2002）的混沌诱导电阻率模型以及动力学Alfvén波（KAW）不稳定性引起的电阻率相协调。我们发现，从这些机制中的任何一个所产生的brachivities，当本地化的离子集肤深度的顺序的lengthscales，是能够解释的观测规定的伦德奎斯特数。
英文摘要：
A wide variety of transient events in the solar corona seem to require explanations that invoke fast reconnection. Theoretical models explaining fast reconnection often rely on enhanced resistivity. We start with data derived from observed reconnection rates in solar flares and seek to reconcile them with the chaos-induced resistivity model of Numata & Yoshida (2002) and with resistivity arising out of the kinetic Alfvén wave (KAW) instability. We find that the resistivities arising from either of these mechanisms, when localized over lengthscales of the order of an ion skin depth, are capable of explaining the observationally mandated Lundquist numbers.
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